Science October 5, 2017

Surface Helium Detonation Spells End for White Dwarf

An international team of researchers has found evidence that the brightest stellar explosions in our Universe could be triggered by helium nuclear detonation near the surface of a white dwarf star.

Topics October 3, 2017

Nobel Prize in Physics 2017 Awarded Gravitational Waves Detection

On Oct. 3, the 2017 Nobel Prize in physics was announced. The Nobel Prize committee awarded the prize to Prof. Rainer Weiss, Prof. Barry C. ...

Topics October 2, 2017

High-Sensitivity Radio Telescope and Supercomputer for Astronomy Selected as IEICE Milestone

The Institute of Electronics, Information and Communication Engineers (IEICE) selected as IEICE Milestone the high-sensitivity radio telescope and the supercomputer for astronomy developed and operated by the National Astronomical Observatory of Japan (NAOJ).

Science September 29, 2017

Supersonic gas streams left over from the Big Bang drive massive black hole formation

An international team of researchers has successfully used a super-computer simulation to recreate the formation of a massive black hole from supersonic gas streams left over from the Big Bang.

Science September 28, 2017

First Detection of an Intermediate-Mass Black Hole Candidate in the Milky Way

With ALMA telescope, an intermediate-mass black hole candidate, having 100,000 solar mass, has been detected near the Galactic Center.

Science September 11, 2017

Photosynthesis under the light conditions different from the Earth: New prediction of a detection wavelength for searching phototrophs on exoplanets

Researchers at the Astrobiology Center (ABC) of National Institutes of Natural Science (NINS) in Japan and their colleagues have proposed and alternative prediction that red-edge could be observed as on the Earth even on exoplanets around M-dwarfs.

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Science September 11, 2017

Explosive Birth of Stars Swells Galactic Cores - ALMA spots transforming disk galaxies

Astronomers found that active star formation upswells galaxies, like yeast helps bread rise.

Topics September 1, 2017

“Mitaka” Now Delivers More Realistic Universe in More Languages

NAOJ has released the latest version (1.4) of the astronomical software “Mitaka” with many new features.

Science August 25, 2017

Phoenicid Meteor Shower from Dead Comet Arises again after 58 Years

Japanese astronomers observed the elusive “Phoenicid meteor shower” and have determined that it was spawned by the now vanished Comet Blanpain.

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Science August 2, 2017

Running Out of Gas: Gas Loss Puts Brakes on Stellar Baby Boom

Astronomers observed a galaxy cluster 9.4 billion light-years away using the ALMA radio telescope array and found evidence that hot gas strips away the cold gas in the member galaxies.